/*
* Copyright (c) Microsoft Corporation. All rights reserved.
* Copyright (c) 2023 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file has been modified by Huawei to verify type inference by adding verification statements.
*/

// === tests/cases/compiler/controlFlowWithIncompleteTypes.ts ===
declare function AssertType(value:any, type:string):void;
// Repro from #11000

declare let cond: boolean;
AssertType(cond, "boolean");

function foo1() {
    let x: string | number | boolean = 0;
AssertType(x, "union");
AssertType(0, "int");

    while (cond) {
AssertType(cond, "boolean");

        if (typeof x === "string") {
AssertType(typeof x === "string", "boolean");
AssertType(typeof x, "union");
AssertType(x, "union");
AssertType("string", "string");

            x = x.slice();
AssertType(x = x.slice(), "string");
AssertType(x, "union");
AssertType(x.slice(), "string");
AssertType(x.slice, "(?number, ?number) => string");
        }
        else {
            x = "abc";
AssertType(x = "abc", "string");
AssertType(x, "union");
AssertType("abc", "string");
        }
    }
}

function foo2() {
    let x: string | number | boolean = 0;
AssertType(x, "union");
AssertType(0, "int");

    while (cond) {
AssertType(cond, "boolean");

        if (typeof x === "number") {
AssertType(typeof x === "number", "boolean");
AssertType(typeof x, "union");
AssertType(x, "union");
AssertType("number", "string");

            x = "abc";
AssertType(x = "abc", "string");
AssertType(x, "union");
AssertType("abc", "string");
        }
        else {
            x = x.slice();
AssertType(x = x.slice(), "string");
AssertType(x, "union");
AssertType(x.slice(), "string");
AssertType(x.slice, "(?number, ?number) => string");
        }
    }
}

